Home / 13,736.86-20,568.36-11,301.08

Finding the Fourth Proportional to 13,736.86, 20,568.36 and 11,301.08

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Solution

The fourth proportional to 13,736.86, 20,568.36 and 11,301.08 is: 16,921.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,736.86 : 20,568.36 = 11,301.08 : x
  2. Step 2: Convert to fraction form
    13,736.86/20,568.36 = 11,301.08/x
  3. Step 3: Cross multiply
    13,736.86x = 20,568.36 × 11,301.08
  4. Step 4: Simplify right side
    13,736.86x = 232,444,681.83
  5. Step 5: Solve for x
    x = 232,444,681.83/13,736.86
  6. Step 6: Final answer
    x = 16,921.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.